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SageMath
E = EllipticCurve("gj1")
E.isogeny_class()
Elliptic curves in class 227850gj
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
227850.dr4 | 227850gj1 | \([1, 0, 1, 1701499, 958601648]\) | \(296354077829711/387386634240\) | \(-712119533307840000000\) | \([2]\) | \(12441600\) | \(2.6871\) | \(\Gamma_0(N)\)-optimal |
227850.dr3 | 227850gj2 | \([1, 0, 1, -10450501, 9343481648]\) | \(68663623745397169/19216056254400\) | \(35324215660529775000000\) | \([2]\) | \(24883200\) | \(3.0337\) | |
227850.dr2 | 227850gj3 | \([1, 0, 1, -48572501, 131073005648]\) | \(-6894246873502147249/47925198774000\) | \(-88099245477536343750000\) | \([2]\) | \(37324800\) | \(3.2364\) | |
227850.dr1 | 227850gj4 | \([1, 0, 1, -778452001, 8359734488648]\) | \(28379906689597370652529/1357352437500\) | \(2495174326866210937500\) | \([2]\) | \(74649600\) | \(3.5830\) |
Rank
sage: E.rank()
The elliptic curves in class 227850gj have rank \(1\).
Complex multiplication
The elliptic curves in class 227850gj do not have complex multiplication.Modular form 227850.2.a.gj
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.